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Bambang Gonggo Murcitro
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INDONESIA
Jurnal Ilmu-Ilmu Pertanian Indonesia
Published by Universitas Bengkulu
ISSN : 14110067     EISSN : 26849593     DOI : https://doi.org/10.31186/jipi
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Jurnal Ilmu-Ilmu Pertanian Indonesia (JIPI) is a scientific journal that publishes research results related to resource issues and agricultural productivity widely, including Agroecotechnology, Plant Breeding, Soil Science, Plant Protection, and Agricultural Ecology.
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Agronomi dan Ilmu Tanaman
Articles 213 Documents
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PENGARUH PERBANDINGAN TANAH DAN KOMPOS DAUN LAMTORO (Leucaena leucocephala) TERHADAP PERTUMBUHAN BIBIT KELAPA SAWIT (Elaeis guineensis Jacq) PADA FASE MAIN NURSERY Yusnaweti, Yusnaweti; Yulfidesi, Yulfidesi; Jamilah, Jamilah; Suryani, Suryani; Minhaminda, Minhaminda; Madani, Rona Tri
Jurnal Ilmu-Ilmu Pertanian Indonesia Vol 24 No 2 (2022)
Publisher : BPFP Universitas Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/jipi.24.2.120-125

Abstract

SOIL-Leucaena leucocephala LEAF COMPOST MIXTURE AS AMENDMENT IN POLYBAG-GROWING MEDIA FOR IMPROVEMENT OIL PALM SEEDLINGS AT MAIN NURSERY STAGE]. Production of oil palm seedling in the nursery mainly utilises top soil as polybag medium. These soils have low fertility especially N and organic matter content. The aim of this study was to determine the effects of top soil and leaf compost incorporation as amendment in polybag medium for oil palm seedlings growth at the nursery stage. This research was carried out at the Paranet House Experimental Garden and Laboratory of the Faculty of Animal Husbandry, Muhammadiyah University, West Sumatra from March to July 2022 using a standard period for oil palm seedling production in main nursery stage with five soil-leaf compost mixture (control, 1: 1, 1: 2, 1: 3, and 1: 4 v/v) as treatments. The treatments were arranged in a Completely Randomized Design (CRD) with three replications and each replication consisted of four polybags. The results showed that soil-leaf compost mixture (1: 4) was the best ratio for the growth of oil palm seedlings.
The POTENTIAL OF RATUN ORGANS OF FERMENTED SORGUM (Sorghum bicolor L.) PRODUCED IN SWAMP AS BIOHERBICIDE Edi Susilo; Pujiwati, Hesti
Jurnal Ilmu-Ilmu Pertanian Indonesia Vol 24 No 2 (2022)
Publisher : BPFP Universitas Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/jipi.24.2.102-108

Abstract

[POTENTIAL OF FERMENTED RATOON ORGANS OF SORGUM (Sorghum bicolor L.) CULTIVATED IN SWAMP LAND AS BIOHERBICIDE]. Sorghum is one of the allelopathy-producing plants and the allelochemical content of sorghum plant parts varies. Therefore, each ratoon organs of sorghum has the potential as a bioherbicide. The aim of this study was to determine the potential of water extracts of six months-fermented ratoon sorghum organs cultivated in swamp lands as bioherbicides. The research was conducted in swamp land in Kandang Limun and Bentiring Permai Bengkulu City, Bengkulu Province from November 2020 to May 2021 and continued until October 2022 for bioassay experiment. The experimental design was a Completely Randomized Design (CRD) with a single factor with four replications. The treatment was fermented ratoon sorghum water extract for six months consisting of four levels (i.e., control, leaf, stem and root). Twenty five of mung bean seeds Vima 1 variety  was planted in a petri dish containing 10 mL of fermented ratoon organs and incubated for three days. The results showed that water extract of fermented ratoon plants was able to inhibit sorghum seed germination. Water extracts of fermented sorghum stems and roots was more potential as a source of bioherbicides than those of sorghum leaves or controls. Therefore, it is recommended to use the ratoon sorghum roots or stems for bioherbicide.  
Pertumbuhan dan Frekuensi Panen Tanaman Cabai Merah pada Kondisi Suboptimal secara Terapung Susilawati Susilawati; Muhammad Ammar; Irmawati Irmawati; Muhammad Umar Harun; Erizal Sodikin; Budiyati Ichwan
Jurnal Ilmu-Ilmu Pertanian Indonesia Vol 24 No 2 (2022)
Publisher : BPFP Universitas Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/jipi.24.2.126-131

Abstract

[GROWTH AND HARVESTING FREQUENCY OF RED CHILI PLANTS WITH THE APPLICATION OF  NPK FERTILIZERS CULTIVATED ON SUB-OPTIMAL LAND IN FLOATING CULTURE SYSTEM]. The low productivity of red chili in South Sumatra is mostly due to its cultivation was conducted in sub-optimal land that is less favorable for producing vegetable crops. This study aimed to evaluate growth and yield of red chili plants under suboptimal conditions using various doses of NPK fertilizer. The experiment was carried out from June to October 2022, at the water reservoir and experimental field (as a comparison) at the Faculty of Agriculture Universitas Sriwijaya, Indralaya, South Sumatra with an altitude of 10 m above sea level. Both experiments were arranged in a randomized block design with three replications and one factor in the group, namely NPK fertilizer doses (0, 5, 10, and 15 g/polybag). For the experiment in the water reservoir, each treatment was arranged randomly in a 200 cm x 100 cm bamboo raft (for each group). The results showed that the application of NPK fertilizer in floating cultivation did not increase plant height, number of leaves, shoot diameter, and harvesting frequency of red chili. It was concluded that the application of NPK fertilizer in floating cultivation did not increase growth and harvesting frequency of red chili.  
KANDUNGAN NUTRISI KASGOT LARVA LALAT TENTARA HITAM (Hermetia illucensi) SEBAGAI PUPUK ORGANIK Heny Agustin; Warid Warid; Illa Muliani Musadik
Jurnal Ilmu-Ilmu Pertanian Indonesia Vol 25 No 1 (2023)
Publisher : BPFP Universitas Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/jipi.25.1.12-18

Abstract

[NUTRITIONAL CONTENT OF BLACK SOLDIER FLY LARVAE (Hermetia illucensi) FRASS AS ORGANIC FERTILIZER]. Nowadays, maggots or Black Soldier Fly (BSF)  larvae are widely used as organic waste decomposers. The use of maggot as a macro-organism waste decomposer is considered an innovation in processing waste. Maggot farming produces residue which is called Black Soldier Fly Larvae Frass (BSFF).  BSFF is called organic solid fertilizer and can optimize growth because it contains various nutrient flows needed for plants. Therefore, the objective of this study was to assess the nutritional content of BSF larvae reared in the waste of rice, fruits, vegetables, and their mixture.  Within this aim, it was conducted a laboratory experiment using four treatments of BSFF (the waste of rice, fruits, vegetables, and their mixture) research was conducted from March to June 2022 at the Experimental Garden and Integrated Laboratory of Trilogi University, Jakarta, with the Seameo Biotrop Laboratory, Tajur-Bogor, West Java. BSFF nutrient content was measured by the organic fertilizer test kit (PUPO) and standard laboratory procedure.  According to the result of the PUPO or laboratory test, it was found that BSFF from organic waste harvested two weeks has fulfilled the standard from Permentan 2019, especially on the treatment of giving waste of rice, vegetables, or fruits with pH criteria between 4-9, C organic more than 15%, ratio C/N less than 25, the total value NPK nutrient more than 2% and Fe was found to be less than 500 mg/kg.
APLIKASI PUPUK ORGANIK CAIR DARI CANGKANG TELUR DAN AMPAS TAHU UNTUK MENINGKATKAN PERTUMBUHAN DAN HASIL SELADA MERAH PADA SISTEM HIDROPONIK RAKIT APUNG : Yustika Yustika; Nugraheni Widyawati
Jurnal Ilmu-Ilmu Pertanian Indonesia Vol 25 No 1 (2023)
Publisher : BPFP Universitas Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/jipi.25.1.7-11

Abstract

[APPLICATION OF LIQUID ORGANIC FERTILIZER FROM EGGSHELL AND TOFU DREGS ON PROMOTING GROWTH AND YIELD OF LETTUCE UNDER FLOATING RAFT HYDROPONIC SYSTEM]. Eggshell waste and tofu pulp contain nutrients that have the potential as plant fertilizers. The use of liquid organic fertilizer (LOF) from eggshells, and tofu dregs can be a source of nutrition in hydroponic cultivation at a relatively low price. The optimal growth of red lettuce plants requires a proper concentration of nutrients. This study aimed to examine the effect of the concentration of LOF from eggshells and tofu dregs that are most effective in increasing the growth and yield of red lettuce in floating raft cultivation systems. This research was conducted from December 2020 to February 2021 at the Kartini Experimental Garden, Faculty of Agriculture and Business, Satya Wacana Christian University. This study used a Randomized Complete Block Design with liquid organic fertilizer made from egg shells and tofu dregs  with different concentrations and AB mix as a comparison. The treatment consists of five levels, namely AB mix, LOF 10 mL/L, LOF 20 mL/L, LOF 30 mL/L, and LOF 40 mL/L. Observation parameters include plant height, number of leaves, leaf area, root length, and fresh and dry weight of the plant. The results of the observations were analyzed using the analysis of variance (F test 5%). On average, the HSD Tukey test followed the treatment with a confidence interval of 5%. This study showed an influence on the treatment of eggshell LOF concentration and tofu dregs  20 mL/L resulting in the highest red lettuce with 9.15 leaves, root length 38.75 cm, header fresh weight 36.33 g and highest root fresh weight 16.22 g at LOF treatment 10 mL/L. These results have not matched the application of ABmix fertilizer, which reached the fresh weight of 74.79 g.  
KINETIKA NITRAT DI DALAM TANAH PADA APLIKASI VERMIKOMPOS Kartika Utami; Evi Intan R.S.; Zainal Muktamar; Yudhy Harini Bertham; Kanang S. Hindarto
Jurnal Ilmu-Ilmu Pertanian Indonesia Vol 25 No 1 (2023)
Publisher : BPFP Universitas Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/jipi.25.1.1-6

Abstract

Nitrogen is the most often deficient in the soil and will be impacted by farmers associated with the economic issue. Nitrogen exists in soil systems in many forms and changes, such as mineralization and mobilization, nitrification, denitrification, volatilization, runoff and erosion, and leaching. The Inceptisol has a pH of 5,5 (acid), impacting soil nutrients such as nitrogen, phosphor, potassium, and organic-C; meanwhile, Ultisols have high acidity and Al exchangeability. This study aimed to determine the rate of nitrate availability on Ultisols and Inceptisols added dairy cattle waste vermicompost. The experiment was arranged by Randomized Completely Design with two factors. The first factor was vermicompost with three doses; there were 0 ton/h, 15 tosn/ha, and 30 tons/ha and the second factor was two types of soils, Inceptisol and Ultisol. The experiment was conducted by three times. The result is on the R2 value, the reaction order kinetics model, which best explains the relationship between vermicompost dosing and nitrate availability in Ultisols and Inceptisols, is a first-order equation. The constant nitrification rate was 0.04 to 0.06 daily with three dairy cattle waste vermicompost dose levels. The potential nitrification showed that a high-level dose increased high nitrate. In Ultisols, the nitrification potential has risen from 1.21 to 1.44 mg/kg NO3-  in others, increasing from 1.36 to 1.41 mg/kg NO3-. Dairy cattle waste vermicompost can accelerate nitrification in acidic soil, especially Ultisols and Inceptisols. This biofertilizer can supply nitrate to the soil by enhancing microbial activity. Nitrate availability in the soil can be supported by 30 tons ha-1 dairy cattle waste vermicompost.  
EFFECTIVENESS OF VERMICOMPOST IN SUBSTITUTING UREA FOR PROMOTING GROWTH AND YIELDS OF MUNG BEAN (Vigna radiata L.) IN ULTISOLS Evendi Tri Mulyono; Hesti Pujiwati; Fahrurrozi Fahrurrozi; Bambang Gonggo Murcitro; Supanjani Supanjani; Hasanudin Hasanudin
Jurnal Ilmu-Ilmu Pertanian Indonesia Vol 25 No 1 (2023)
Publisher : BPFP Universitas Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/jipi.25.1.19-26

Abstract

Vermicompost is one of increasingly applied organic fertilizer to many vegetable crops in order to reduce the dependency on synthetic fertilizer, including the use of urea as nitrogen source. This experiment aimed to determine the best dosage combination of vermicompost and synthetic urea on growth and yields of mung bean grown in Ultisols. This experiment was arranged in a randomized complete block design  with three replicates. Treatments consisted of  (1) control, no urea and no vermicompost, (2) 50 kg/ha urea + no vermicompost, (3) 40 kg/ha urea + 3 Mg/ha vermicompost, (4) 30 kg/ha urea + 6 Mg/ha vermicompost, (5) 20 kg/ha urea + 9 Mg/ha vermicompost, (6) 10 kg/ha urea + 12 Mg/ha vermicompost, and (7) 0 kg/ha urea + 15 Mg/ha vermicompost.  Results indicated that the combination of urea and vermicompost increased plant height, leaf number, branch number, number of nodules/plant, shoot to root ratio, number of pods/plant, number of pods/plot, grain dry weight/plant, grain dry weight/plot, and total yield /ha, but not days to flowering and weight of 100 grains. The best combination to increased growth and yields of mung bean was 12 Mg/ha of vermicompost in combination with 10 kg/ha of urea.  This combination  produced the highest grain yields/ha (2.1 Mg/ha).   
ANALISIS KARAKTERISTIK SIFAT FISIK TANAH PADA BERBAGAI PENGGUNAAN LAHAN DI WILAYAH KECAMATAN PUJON Putri, Devina Ristanti; Sasongko, Purnomo Edi
Jurnal Ilmu-Ilmu Pertanian Indonesia Vol 25 No 1 (2023)
Publisher : BPFP Universitas Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/jipi.25.1.27-33

Abstract

[SOIL PHYSICAL PROPERTIES UNDER DIFFERENT LAND USE TYPES IN PUJON DISTRICT, EAST JAWA, INDONESIA ]. Soil quality may be affected by land use types because these may cause alterations in soil physical properties  determining, in turn, a reduction in land productivity. Therefore, this study aimed to evaluate the impact on soil physics of different land use types in an area of Pujon, East Jawa, Indonesia by determining several soil physical indicators.The changes in these indicators were assayed on top soil samples (0-30 cm and 30-60 cm) in three replicates collected with purposive sampling method in Pujon Region under three different landuse types (dry land, garden, and forest). Moreover, assessing field conditions of the three landuse was carried out by survey method and ArcGIS software. Results showed that the three types of land use have a texture of loam, sandy loam, clay loam, and granular structure. Moisture content varied from 17.84% - 22.18%. The range of bulk density was from 0.71 – 1.06 g/cm3 for dry land with slope class 3 and classified as poor status. Specific gravity ranged from 2.58 – 2.65 g/cm3. The total pore space ranged from 59.23% – 72.80%. The permeability ranged from 3.92 – 14.55 cm/hour and categorized as a bad to good status.
ISOLASI DAN IDENTIFIKASI JAMUR PATOGEN BUAH STROBERI SELAMA PENYIMPANAN: Paisal Ansiska; Selviana Anggraini; Indriati Meilina Sari; Ela Hasri Windari; Hefri Oktoyoki
Jurnal Ilmu-Ilmu Pertanian Indonesia Vol 25 No 1 (2023)
Publisher : BPFP Universitas Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/jipi.25.1.34-39

Abstract

[ISOLATION AND IDENTIFICATION OF STRAWBERRY FRUIT PATHOGENIC FUNGI DURING STORAGE]. Storing strawberry fruit is one way to extend its shelf life and maintain its quality during storage. However, during storage, there is still a risk of pathogenic fungi attack that can cause damage to the strawberry fruit. Pathogenic fungi attack on fruits can cause various types of damage, such as physical damage, color changes, loss of taste and aroma, as well as a decrease in nutritional quality. In addition, pathogenic fungi can also cause significant economic losses for farmers and producers. The purpose of this study is to identify the types of pathogenic fungi commonly found on strawberry fruit and analyze the severity of damage caused by pathogenic fungi. Identification of fungal species is carried out using microscopic methods and through examination of spore morphology. The pathogenic fungi that attack strawberry fruit are Penicillium spp., Colletotrichum spp., and Botrytis cinerea. Strawberry fruit stored at a cool temperature can suppress post-harvest disease symptoms compared to those stored at room temperature.
INCIDENCE OF LEAF AND FRUIT EATER, Diaphania indica (Saunders) IN MELON AT SRI KUNCORO VILLAGE, PONDOK KELAPA SUBDISTRICT, BENGKULU TENGAH REGENCY Nadrawati Nadrawati; Agustin Zarkani; Priyatiningsih Priyatiningsih; Aprilian Pitoyo
Jurnal Ilmu-Ilmu Pertanian Indonesia Vol 25 No 1 (2023)
Publisher : BPFP Universitas Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/jipi.25.1.40-44

Abstract

Melon is a fruit plant that has the potential to be developed and can become a superior horticultural product. The demand for melons continuously increases yearly, requiring a large and continuous supply. Fruit must be available at any time in sufficient quantity and quality to be used as an agricultural commodity with high economic value. Diaphania indica (Lepidoptera: Crambidae) is a significant pest that attacks the leaves and fruit of the Cucurbitaceae family, including economically important crops such as melon. Studies on Diaphania pests that attack melon leaves and fruit have not been widely studied in Indonesia. Also, due to the cases happening of leaf and fruit-eating attacks in Bengkulu, proper pest control efforts are needed. One of the basics for determining how to control is to know the population density and the level of damage caused by these pests. This research was conducted on the farmers' land in Sri Kuncoro Village, Pondok Kelapa Sub-District, Bengkulu Tengah Regency, November 2021-January 2022. The variables observed were the population density of D. indica, the percentage of leaf damage, and the percentage of parasitic larvae. The results showed variations in the density of D. indica larvae and the percentage of leaf damage. The mean population density of larvae was 1.47 per plant, and the percentage of infected leaves was 29.49%. Parasitoids associated with D. indica larvae were found in Apanteles spp, with a percentage of parasitized D. indica larvae of 46.67%. 

Page 16 of 22 | Total Record : 213

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